PROPERTY (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Property - gross	$ 1,754.9	$ 1,713.2
Accumulated depreciation	(523.3)	(443.8)
Property - net	1,231.6	1,269.4
Depreciation expense	106.1	43.8	$ 43.9
Buildings
Property, Plant and Equipment [Line Items]
Property - gross	566.5	571.3
Land
Property, Plant and Equipment [Line Items]
Property - gross	622.6	578.5
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property - gross	254.0	242.6
Asphalt plants and quarry assets
Property, Plant and Equipment [Line Items]
Property - gross	78.2	77.1
Water, power and sewer systems
Property, Plant and Equipment [Line Items]
Property - gross	156.4	145.6
Other property improvements
Property, Plant and Equipment [Line Items]
Property - gross	65.9	86.8
Vessel
Property, Plant and Equipment [Line Items]
Property - gross	$ 11.3	$ 11.3